The singer, 37, slipped her curves into a chic strapless gold gown as she posed up a ... the Umbrella hitmaker added a dazzling diamond choker to her look. Looking her best for the event, her ...

So you want to be a collector? First, lay the foundation with a classic. This month: chokers.

The necklace also features a four-strand ruby bead choker, joined by a circular-cut diamond and gold clasp. The earrings, ...

The emerald and diamond choker was given to Princess Diana after her royal wedding Erin Hill is the Senior Editor, Royals at PEOPLE. She has reported on Royals for the brand since 2015.